You might want to pose the same question to the members of the Congressional Black Caucus, who are on record of not just advocating, but advancing their own racial interests. If you worry about the racial views of writers, the racial views of elected officials should certainly concern you.

ETA: I noticed this is being discussed at MetaFilter's "there is no neutrality when bigotry is the status quo". Since I can't answer there, I'm going to quote a relevant things from there and answer them in the comments on th...